WO2021098389A1 - Procédé de redirection et appareil électronique pour terminal inactif, et support lisible par ordinateur - Google Patents

Procédé de redirection et appareil électronique pour terminal inactif, et support lisible par ordinateur Download PDF

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Publication number
WO2021098389A1
WO2021098389A1 PCT/CN2020/118935 CN2020118935W WO2021098389A1 WO 2021098389 A1 WO2021098389 A1 WO 2021098389A1 CN 2020118935 W CN2020118935 W CN 2020118935W WO 2021098389 A1 WO2021098389 A1 WO 2021098389A1
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WIPO (PCT)
Prior art keywords
base station
terminal
radio resource
resource control
message
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PCT/CN2020/118935
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English (en)
Chinese (zh)
Inventor
何金招
胡敏
孙珊珊
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中兴通讯股份有限公司
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Publication of WO2021098389A1 publication Critical patent/WO2021098389A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections

Definitions

  • the embodiments of the present disclosure relate to the field of mobile communication technology, and in particular, to a redirection method of an inactive terminal.
  • the interaction process between the terminal and the base station is as follows: Send a radio resource control resume request (RRC Resume Request) message to the target base station (gNB), and the target base station to the anchor base station (oldgNB) sends a RETRIEVE UE CONTEXT REQUEST message, the anchor base station returns a RETRIEVE UE CONTEXT RESPONSE message to the target base station, and the target base station sends radio resource control to the terminal after receiving the terminal context Resume (RRC Resume) message, the terminal replies to the target base station with a radio resource control resume (RRC Resume Complete) message, and then the target base station sends a radio resource control release (RRC Release) message to the terminal to instruct the terminal to redirect.
  • RRC Resume Request radio resource control resume request
  • RRC Resume Complete radio resource control resume
  • RRC Release radio resource control release
  • the inactive state terminal Since the inactive state terminal has many interaction procedures with the base station during redirection, the delay is long, and if the signal of the terminal is not ideal, the call is likely to be dropped, which affects the user experience.
  • embodiments of the present disclosure provide a redirection method for an inactive terminal, which includes: determining a redirection target in response to an initial uplink transfer message of a decentralized base station, and sending a downlink radio resource control transfer message to the decentralized base station, For the terminal to complete the redirection according to the redirection target; the decentralized base station sends the initial uplink transfer message based on the radio resource control recovery request message of the terminal, and the downlink radio resource control transfer message carries the redirection target, The terminal is in an inactive state.
  • embodiments of the present disclosure provide a redirection method for an inactive terminal, which includes: sending an initial uplink transfer message in response to a radio resource control recovery request message of the terminal, so that the centralized base station can determine the redirection target, and the downlink The radio resource control transfer message is forwarded to the terminal, and the terminal is redirected according to the redirection target; the downlink radio resource control transfer message carries the redirection target, and the terminal is in an inactive state.
  • embodiments of the present disclosure provide a method for redirecting an inactive terminal, which includes: sending a radio resource control recovery request message to a base station, and redirecting in response to the radio resource control release message returned by the base station, so
  • the radio resource control recovery request message carries a voice call instruction
  • the radio resource control release message carries the redirection target
  • the terminal performing the redirection is in an inactive state.
  • an embodiment of the present disclosure provides a redirection device for an inactive terminal, which includes: a receiving module, configured to receive an initial uplink transfer message from a decentralized base station, which is based on a radio resource control recovery request of the terminal Message to send the initial uplink transfer message, and the terminal is in an inactive state, and the radio resource control recovery request message carries a voice call indication; a redirection module is used to determine the redirection target of the terminal; and The module is used to send the redirection target to the decentralized base station for the terminal to perform redirection according to the redirection target.
  • embodiments of the present disclosure provide an electronic device, which includes: one or more processors; a storage device, on which one or more programs are stored, when the one or more programs are used by the one or more A plurality of processors execute, so that the one or more processors implement the method for redirecting the inactive state terminal according to the present disclosure.
  • an embodiment of the present disclosure provides a computer-readable medium on which a computer program is stored, and when the program is executed by a processor, the method for redirecting an inactive terminal according to the present disclosure is implemented.
  • FIG. 1 is a flowchart of a method for redirecting an inactive terminal according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of another method for redirecting an inactive terminal according to an embodiment of the present disclosure
  • FIG. 4 is a flowchart of another method for redirecting an inactive terminal according to an embodiment of the present disclosure
  • FIG. 5 is a flowchart of another method for redirecting an inactive terminal according to an embodiment of the present disclosure
  • FIG. 6 is a flowchart of another method for redirecting an inactive terminal according to an embodiment of the present disclosure
  • FIG. 7 is a flowchart of another redirection method (in the called terminal base station) of an inactive terminal according to an embodiment of the disclosure
  • FIG. 8 is a flowchart of another method for redirecting a terminal in an inactive state (between called terminal base stations) according to an embodiment of the present disclosure
  • FIG. 9 is a flowchart of another redirection method (in the calling terminal base station) of an inactive terminal according to an embodiment of the disclosure.
  • the embodiments of the present disclosure provide a redirection method, electronic equipment, and computer readable medium for an inactive terminal to solve the time delay caused by the complicated interaction process with the base station when the inactive terminal establishes a voice service in some situations. , The problem of easy dropped calls.
  • the present disclosure is directed to the fact that when the 5G inactive state terminal resumes the connection with the base station, there are many interaction procedures between the terminal and the base station, resulting in a long delay, and it is easy to cause call drops and affect user experience.
  • the base stations of the present disclosure include centralized base stations and decentralized base stations, and a centralized base station can face one or more decentralized base stations.
  • the decentralized base stations face the terminals, and the centralized base stations face the core network.
  • the centralized base station can exchange information with the authentication management entity in the core network, and can also exchange information with other base stations.
  • the centralized base station and the decentralized base station are independent base stations.
  • the centralized base station and the decentralized base station belong to two parts of the same base station.
  • the embodiments of the present disclosure provide a redirection method of an inactive terminal, and the method is applied to a centralized base station on the network side.
  • the redirection method includes: determining a redirection target in response to an initial uplink transfer message of a decentralized base station, and sending a downlink radio resource control transfer message to the decentralized base station for the terminal to complete the redirection according to the redirection target; the decentralized base station is The initial uplink transfer message is sent based on the radio resource control recovery request message of the terminal, the downlink radio resource control transfer message carries a redirection target, and the terminal is in an inactive state.
  • FIG. 1 is a flowchart of a method for redirecting a terminal in an inactive state according to an embodiment of the present disclosure.
  • the redirection method of the inactive terminal is applied to the centralized base station on the network side, and specifically includes:
  • the initial uplink transfer message is sent by the decentralized base station based on the radio resource control recovery request message sent by the called terminal, and the initial uplink transfer message carries the content of the radio resource control recovery request message.
  • the resume request message carries a voice call indication, that is, the initial uplink transfer message carries a voice call indication.
  • the evolved packet system falls back and determines the redirection target.
  • the downlink radio resource control transfer message carries the content of the radio resource control release (RRC Release) message, and the content of the radio resource control release message includes the redirection target.
  • RRC Release radio resource control release
  • the redirection target includes a redirected network and a reselected frequency point, that is, a voice redirection network and a voice redirection frequency point.
  • the redirection method of the inactive terminal obtains the redirection target in response to the radio resource control recovery request message of the terminal, and sends a downlink radio resource control transfer message to the decentralized base station for the terminal to follow the redirection
  • the goal is to complete the redirection, that is, send a radio resource control release message to the terminal for the terminal to perform redirection, which reduces the message flow between the terminal and the base station, thereby shortening the call delay and reducing the call drop rate. , Thereby improving the voice user experience.
  • the redirection method for inactive terminals is used in the centralized base station on the network side.
  • the calling terminal calls the called terminal
  • the called terminal interacts with its corresponding base station, and the interaction flow is performed within the station, that is, the called terminal interacts with its corresponding base station.
  • the redirection method of the inactive state terminal includes:
  • the decentralized base station after receiving the radio resource recovery request message from the terminal, the decentralized base station sends an initial uplink transfer message to the centralized base station.
  • the initial uplink transfer message carries the radio resource control recovery request message, wherein the radio resource recovery
  • the request message carries a voice call indication.
  • the downlink radio resource control transfer message carries the radio resource control release message
  • the radio resource control release message carries the redirection target
  • the centralized base station sends a downlink radio resource control transfer message to the decentralized base station. After the decentralized base station receives the downlink radio resource control transfer message, it sends a radio resource control release message to the terminal. After the terminal receives the radio resource control release message, it is based on the reconfiguration.
  • the targeting target executes the redirection process, and preferentially accesses the voice and audio points indicated in the redirection target.
  • the centralized base station mentioned in this embodiment is the centralized base station that lastly served the called terminal.
  • the centralized base station refers to the centralized base station that lastly served the called terminal.
  • the centralized base station receives the voice establishment request message from the AMF entity, and sends a paging message to the decentralized base station.
  • the centralized base station after receiving the AMF entity voice setup request message, the centralized base station also sends a voice setup response message to the AMF entity.
  • the protocol data unit session resource modification request message and the protocol data unit session resource establishment request message are included, and the voice establishment failure message is carried.
  • the reason for the failure is the IP Multimedia System (IMS) Voice Evolution Packet System (EPS) ) Fallback or multiple radio access (RAT) fallback triggers.
  • IMS IP Multimedia System
  • EPS Voice Evolution Packet System
  • RAT radio access
  • the redirection method of the inactive terminal is used for the centralized base station on the network side.
  • the calling terminal calls the called terminal
  • the called terminal interacts with its corresponding base station.
  • the interaction flow is the interaction within the station. The process, that is, the terminal moves from the inactive state to the connected state in the station.
  • the redirection method of inactive state terminals is used for centralized base stations on the network side.
  • the calling terminal calls the called terminal
  • the called terminal interacts with its corresponding base station, and the interaction flow is carried out between the base stations. That is, the called terminal transitions from the inactive state to the connected state between the base stations.
  • the redirection method of the inactive state terminal includes:
  • the decentralized base station after receiving the radio resource recovery request message from the terminal, the decentralized base station sends an initial uplink transfer message to the centralized base station.
  • the initial uplink transfer message carries the radio resource control recovery request message, wherein the radio resource recovery
  • the request message carries a voice call indication.
  • the original base station is the last (recently) base station serving the called terminal.
  • the original base station After the original base station receives the called terminal context request message, it returns the called terminal context response (RETRIEVE UE CONTEXT RESPONSE) message to the centralized base station.
  • RETRIEVE UE CONTEXT RESPONSE called terminal context response
  • the centralized base station sends a radio access network paging message to all scattered base stations in the radio access network notification area.
  • the centralized base station sends a paging message to the decentralized base station through the XN interface, the decentralized base station forwards the paging message to the called terminal, and the called terminal sends a radio resource control recovery request to the decentralized base station after receiving the paging message, and the decentralized base station receives After receiving the radio resource control recovery request, the initial uplink transfer message is sent to the centralized base station.
  • the radio access network paging message sent by the original base station interacts with the AMF before, specifically, the voice setup request message sent by the AMF to the original base station, and the voice setup request message contains the voice identifier, that is, the quality of service flow.
  • the voice identifier whose identifier is equal to 1, may also include a protocol data unit session resource modification request message and a protocol data unit session resource establishment request message.
  • the original base station when it sends a radio access network paging message to the centralized base station, it also sends a voice setup response message to the AMF.
  • the voice setup response message contains the protocol data unit session resource modification request message and the protocol.
  • the session resource establishment request message of the data unit carries a voice establishment failure message. The reason for the failure is triggered by the fallback of the IP Multimedia System (IMS) Voice Evolution Packet System (EPS) or the fallback of multiple radio access (RAT).
  • IMS IP Multimedia System
  • EPS Voice Evolution Packet System
  • RAT multiple radio access
  • the redirection method for inactive terminals is used in the centralized base station on the network side, and the inactive terminal is the calling terminal, and the inactive calling terminal sends a voice setup request message to the base station. Before the voice communication is established, The inactive state transitions to the connected state.
  • the redirection method of the inactive state terminal includes:
  • the initial uplink transfer message is sent by the decentralized base station based on the radio resource control recovery request message sent by the called terminal, and the initial uplink transfer message carries the content of the radio resource control recovery request message.
  • the control recovery request message carries a voice call indication, that is, the initial uplink transfer message carries a voice call indication.
  • the centralized base station After receiving the initial uplink transfer message, the centralized base station makes an Evolved Packet System Fall Back (EPSFB) decision according to the voice call reason carried in the radio access control recovery request message to determine the redirection target.
  • EPSFB Evolved Packet System Fall Back
  • the redirection target can be a 3G (Third Generation) network, a 4G (Fourth Generation) network, or a 5G (Fifth Generation) network.
  • the downlink radio resource control transfer message carries the content of the radio resource control release (RRC Release) message, and the content of the radio resource control release message includes the redirection target.
  • RRC Release radio resource control release
  • the redirection target includes a redirected network and a reselected frequency point, that is, a voice redirection network and a voice redirection frequency point.
  • the present disclosure provides a redirection method for inactive state terminals, and the redirection method is applied to a decentralized base station on the network side.
  • the redirection method includes: sending an initial uplink transfer message in response to the radio resource control recovery request message of the terminal, so that the centralized base station can determine the redirection target, and forward the downlink radio resource control transfer message to the terminal, and make the terminal according to the reconfiguration.
  • the target is redirected; the downlink radio resource control transfer message carries the redirect target, and the terminal is in an inactive state.
  • Fig. 5 is a flowchart of a method for redirecting a terminal in an inactive state according to a disclosed embodiment.
  • the redirection method of the inactive state terminal is used for decentralized base stations, and specifically includes:
  • the called terminal When the terminal is a called terminal, the called terminal sends a radio resource control recovery request message to the distributed base station after receiving the paging message from the distributed base station.
  • the centralized base station After receiving the voice setup request, the centralized base station forwards the voice setup request to the decentralized base station through the XN interface, and the decentralized base station forwards the paging message to the called terminal. It should be noted that the centralized base station sends a radio access network paging message to all scattered base stations in the radio access network notification area.
  • the AMF entity sends a voice setup request to the original base station, and the original base station sends a radio access network paging request to the centralized base station according to the voice setup request, and the centralized base station sends the decentralized base station Forward the page request.
  • the voice establishment request message includes a voice identifier, that is, a voice identifier with a quality of service flow identifier equal to 1, and may also include a protocol data unit session resource modification request message and a protocol data unit session resource establishment request message.
  • the initial uplink transfer message carries the radio resource control recovery request message for the centralized base station to determine the redirection target.
  • the decentralized base station after receiving the radio resource recovery request message from the terminal, the decentralized base station sends an initial uplink transfer message to the centralized base station.
  • the initial uplink transfer message carries the radio resource control recovery request message, wherein the radio resource recovery
  • the request message carries a voice call indication.
  • the centralized base station After receiving the initial uplink transfer message, the centralized base station performs the fallback decision of the evolved packet system according to the voice call reason carried in the radio access control recovery request message, and determines the redirection target.
  • the redirection target can be a 3G network, a 4G network, or a 5G network.
  • the centralized base station performs blind redirection after receiving the initial uplink transfer message.
  • the terminal is the calling terminal, the centralized base station performs redirection after receiving the initial uplink transfer message, which is not blind redirection.
  • the redirection target includes the redirected network and the frequency of reselection, that is, the voice redirection network and the voice redirection frequency.
  • the decentralized base station After receiving the downlink radio resource control transfer message sent by the centralized base station, the decentralized base station forwards the radio resource control release message to the terminal, where the radio resource control release message carries the redirection target.
  • the present disclosure provides a redirection method for an inactive terminal, including: sending a radio resource control recovery request message to a base station, and redirecting in response to a radio resource control release message returned by the base station, the radio resource
  • the control recovery request message carries a voice call instruction
  • the radio resource control release message carries the redirection target
  • the terminal performing the redirection is in an inactive state.
  • FIG. 6 is a flowchart of a redirection method for an inactive terminal according to an embodiment of the disclosure, and the redirection method is applied to a terminal.
  • the terminal When the terminal is actively calling the terminal, the terminal sends a radio resource control recovery request message to the decentralized base station in response to the user's call request, and the radio resource control recovery request message carries a voice call instruction.
  • the called terminal When the terminal is the called terminal, the called terminal sends a radio resource control recovery request message to the base station after receiving the radio access network paging request sent by the base station.
  • Redirection is performed in response to a radio resource control release message returned by the base station.
  • the decentralized base station after receiving the radio resource control recovery request message, sends an initial uplink transfer message to the centralized base station.
  • the initial uplink transfer message carries a radio resource control recovery request message, where the radio resource recovery request message carries Voice call instructions.
  • the centralized base station After the centralized base station receives the initial uplink transfer message sent by the decentralized base station, it makes a redirection decision and determines the redirection target of the called terminal, such as determining a voice point.
  • the centralized base station sends a downlink radio resource control transfer message to the decentralized base station. After the decentralized base station receives the downlink radio resource control transfer message, it sends a radio resource control release message to the terminal. After the terminal receives the radio resource control release message, it is based on the reconfiguration.
  • the targeting target executes the redirection process, and gives priority to access the voice points indicated in the redirection target.
  • the terminal of the redirection process is the called terminal, and the called terminal is in the inactive state, and the called terminal realizes the transition from the inactive state to the connected state in the station.
  • the AMF sends a voice setup request to the centralized base station.
  • the voice establishment request includes a voice identifier, that is, a voice identifier with a quality of service flow identifier equal to 1, and may also include a protocol data unit session resource modification request (PDU SESSION RESOURCE MODIFY REQUEST) message and a protocol data unit session resource establishment (PDU) SESSION RESOURCE SETUP REQUEST) request message.
  • PDU SESSION RESOURCE MODIFY REQUEST protocol data unit session resource modification request
  • PDU SESSION RESOURCE SETUP REQUEST protocol data unit session resource establishment
  • the centralized base station After receiving the voice setup request, the centralized base station sends a voice setup response to the AMF entity.
  • the base station here is the centralized base station that serves the called terminal last.
  • the protocol data unit session resource modification request message and the protocol data unit session resource establishment request message are included, and the voice establishment failure message is carried.
  • the reason for the failure is the IP Multimedia System (IMS) Voice Evolution Packet System (EPS) ) Fallback or multiple radio access (RAT) fallback triggers.
  • IMS IP Multimedia System
  • EPS Voice Evolution Packet System
  • RAT radio access
  • the centralized base station After receiving the voice establishment request, the centralized base station sends a wireless access network paging message to the decentralized base station through the XN interface.
  • the centralized base station sends a radio access network paging message to all scattered base stations in the radio access network notification area.
  • the decentralized base station forwards the radio access network paging message to the called terminal.
  • the called terminal sends a radio resource control recovery request to the decentralized base station, and the radio resource control recovery request carries a voice call indication.
  • the decentralized base station sends an initial uplink radio resource control transfer message to the centralized base station, where the initial uplink radio resource control transfer message includes the content of the radio resource control recovery request message.
  • a blind redirection decision of the evolved packet system fallback is performed, and the redirection target of the called terminal is determined.
  • the centralized base station After the centralized base station obtains the redirection target, it sends a downlink radio resource control transfer message to the decentralized base station.
  • the downlink radio resource control transfer message carries the content of the radio resource control release message, and the radio resource control release message contains the redirection target, such as 4G network.
  • the decentralized base station After receiving the downlink radio resource control transfer message of the centralized base station, the decentralized base station sends a radio resource control release message to the terminal, and the radio resource control release message contains the redirection target.
  • the terminal When the terminal receives the radio resource control release message sent by the decentralized base station, it is redirected to the 4G network, establishes a connection with the base station eNB of the 4G network, and performs voice bearer in the 4G network system to establish a voice service, then normal voice services can be performed .
  • the terminal in the redirection process is the called terminal, and the called terminal is in an inactive state, and the called terminal realizes the transition from the inactive state to the connected state between the base station and the base station.
  • the AMF sends a voice setup request to the centralized original base station (oldGNB).
  • the voice establishment request includes a voice identifier, that is, a voice identifier with a quality of service flow identifier equal to 1, and may also include a protocol data unit session resource modification request (PDU SESSION RESOURCE MODIFY REQUEST) message and a protocol data unit session resource establishment (PDU) SESSION RESOURCE SETUP REQUEST) request message.
  • PDU SESSION RESOURCE MODIFY REQUEST protocol data unit session resource modification request
  • PDU SESSION RESOURCE SETUP REQUEST protocol data unit session resource establishment
  • the original base station After receiving the voice setup request, the original base station sends a voice setup response to the AMF entity.
  • the original base station here is the last base station serving the called terminal.
  • the protocol data unit session resource modification request message and the protocol data unit session resource establishment request message are included, and the voice establishment failure message is carried.
  • the reason for the failure is the IP Multimedia System (IMS) Voice Evolution Packet System (EPS) ) Fallback or multiple radio access (RAT) fallback triggers.
  • IMS IP Multimedia System
  • EPS Voice Evolution Packet System
  • RAT radio access
  • the original base station After receiving the voice establishment request, the original base station sends a radio access network paging message to each centralized base station in the radio access network notification area through the XN interface.
  • the centralized base station After the centralized base station sends the radio access network paging message, it forwards the radio access network paging message to the decentralized base station.
  • the decentralized base station After receiving the radio access network paging message, the decentralized base station sends the radio access network paging message to the terminal.
  • the called terminal sends a radio resource control recovery request to the decentralized base station, and the radio resource control recovery request carries a voice call indication.
  • the decentralized base station sends an initial uplink radio resource control transfer message to the centralized base station, where the initial uplink radio resource control transfer message includes the content of the radio resource control recovery request message.
  • the centralized base station After receiving the initial uplink transfer (intial-UL RRC Message Transfer) message sent by the decentralized base station, the centralized base station sends a RETRIEVE UE CONTEXT REQUEST message to the original base station (oldGNB).
  • the original base station After the original base station receives the called terminal context request message, it returns the called terminal context response (RETRIEVE UE CONTEXT RESPONSE) message to the centralized base station.
  • RETRIEVE UE CONTEXT RESPONSE called terminal context response
  • the centralized base station After receiving the context response message of the called terminal, the centralized base station makes an evolution system packet fallback redirection decision, and determines the redirection target of the called terminal, such as a 4G network.
  • the centralized base station After obtaining the redirection target, the centralized base station sends a downlink radio resource control transfer message to the decentralized base station.
  • the downlink radio resource control transfer message carries the content of the radio resource control release message, and the radio resource control release message contains the redirection target.
  • the decentralized base station After receiving the downlink radio resource control transfer message of the centralized base station, the decentralized base station sends a radio resource control release message to the terminal, and the radio resource control release message contains the redirection target.
  • the terminal When the terminal receives the radio resource control release message sent by the decentralized base station, it is redirected to the 4G network, establishes a connection with the base station eNB of the 4G network, and performs voice bearer in the 4G network system to establish a voice service, then normal voice services can be performed .
  • the terminal of the redirection process is the master terminal, and the master terminal is in an inactive state.
  • the calling terminal responds to the user's call request and initiates a radio resource control recovery request to the decentralized base station, and the radio resource control recovery request carries a voice call indication.
  • the decentralized base station sends an initial uplink radio resource control transfer message to the centralized base station, where the initial uplink radio resource control transfer message includes the content of the radio resource control recovery request message.
  • the centralized base station After obtaining the redirection target, the centralized base station sends a downlink radio resource control transfer message to the decentralized base station.
  • the downlink radio resource control transfer message carries the content of the radio resource control release message, and the radio resource control release message contains the redirection target.
  • the decentralized base station After receiving the downlink radio resource control transfer message of the centralized base station, the decentralized base station sends a radio resource control release message to the terminal, and the radio resource control release message contains the redirection target.
  • the terminal When the terminal receives the radio resource control release message sent by the decentralized base station, it is redirected to the 4G network, establishes a connection with the base station eNB of the 4G network, and performs voice bearer in the 4G network system to establish a voice service, then normal voice services can be performed .
  • embodiments of the present disclosure provide a redirection device for an inactive terminal, which can redirect the inactive terminal and perform voice services.
  • the redirection device of the inactive terminal can be used to concentrate the base station, so that the terminal can be redirected.
  • Redirection devices include:
  • the receiving module 1001 is configured to receive an initial uplink transfer message of a decentralized base station.
  • the decentralized base station sends the initial uplink transfer message based on a radio resource control recovery request message of the terminal, and the terminal is in an inactive state.
  • the radio resource control recovery request message carries a voice call indication;
  • the redirection module 1002 is used to determine the redirection target of the evolution system packet fallback
  • the sending module 1003 is configured to send the redirection target to the decentralized base station, so that the terminal can perform redirection according to the redirection target.
  • the receiving module receives the initial uplink transfer message of the decentralized base station, the redirection module decides the evolution system packet fallback redirection, and the sending module sends the redirection target to the decentralized base station to For the terminal to perform redirection according to the redirection target, that is, to send a radio resource control release message to the terminal for the terminal to perform redirection, which reduces the message flow between the terminal and the base station, thereby shortening the call Delay, while reducing the dropped call rate, thereby improving the voice user experience.
  • embodiments of the present disclosure provide an electronic device, which includes:
  • One or more processors are One or more processors;
  • the storage device has one or more programs stored thereon, and when the one or more programs are executed by one or more processors, the one or more processors implement any one of the aforementioned methods for inactive state terminals.
  • Such software may be distributed on a computer-readable medium
  • the computer-readable medium may include a computer storage medium (or non-transitory medium) and a communication medium (or transitory medium).
  • the term computer storage medium includes volatile and non-volatile memory implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data).
  • Information such as computer-readable instructions, data structures, program modules, or other data.
  • Computer storage media include but are not limited to RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cassette, tape, magnetic disk storage or other magnetic storage device, or Any other medium used to store desired information and that can be accessed by a computer.
  • a communication medium usually contains computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transmission mechanism, and may include any information delivery medium. .

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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation concerne un procédé de redirection pour un terminal inactif. Le procédé comprend les étapes consistant à : déterminer une cible de redirection en réponse à un message de transfert de liaison montante d'initialisation d'une station de base distribuée, et envoyer un message de transfert de commande de ressource radio de liaison descendante à la station de base distribuée, de telle sorte qu'un terminal achève la redirection en fonction de la cible de redirection, la station de base distribuée envoyant, sur la base d'un message de demande de reprise de commande de ressource radio du terminal, le message de transfert de liaison montante d'initialisation, le message de transfert de commande de ressource radio de liaison descendante transportant la cible de redirection, et le terminal étant dans un état inactif. La présente divulgation concerne en outre un dispositif de redirection pour un terminal inactif, un appareil électronique et un support lisible par ordinateur.
PCT/CN2020/118935 2019-11-18 2020-09-29 Procédé de redirection et appareil électronique pour terminal inactif, et support lisible par ordinateur WO2021098389A1 (fr)

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